That's according to a new report from the Cleveland Clinic. About half of people surveyed said they knew CPR but only one in six knew to do chest compressions only with no breaths on an adult.

Just 11 percent knew the correct pacing for compressions 100 to 120 beats per minute. And only 27 percent said their workplace was equipped with an automated external defibrillator.

Migraines linked to heart complications

Researchers in Denmark and the U.S. followed over 50,000 migraine sufferers. Over the next 20 years, these patients are expected to have a higher risk of heart attack, stroke and blood clots than their peers without migraines. The risks were higher for women and patients with migraine aura.

Older mothers at higher risk for pre-term birth.

A new Canadian study looked at over 160,000 pregnancies, among women of various ages. It showed women over 40 were more likely to deliver prematurely than younger moms. Women in their early 30's had the lowest risk of pre-term birth.